Star Trek star George Takei has written a musical. No, not about his time on the U.S.S Enterprise, but about his family’s experience being interned during World War II. Take a look at this and other pop culture references to this little known period of American history

To truly understand human history, David Christian wants you to take a step back — 13.7 billion years back. We asked Christian about the impact that his wide-lens concept of Big History has made since his 2011 TED Talk.